A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-01-319-3486
NSN 6130-00-776-9817
NSN 5985-01-382-6538
NSN 6135-00-683-0536
NSN 6105-01-028-8666
NSN 5935-01-510-9327
NSN 2925-01-629-4600
NSN 6620-01-500-6184
NSN 6105-01-449-2375
NSN 6105-00-472-3808
NSN 6610-00-466-3104
NSN 5925-01-245-7621